Hytek Power Co. Ltd

Internal gear pumps are where Hytek built its reputation. The HG series, from 8 to 180 cc/rev, was developed for servo pump drives on injection moulding machines, die-casting machines and presses, and Hytek has been the No. 1 supplier of internal gear pumps for injection moulding machines in China for three years in a row (China Plastics Machinery Industry Association, 2020–2022).

In a servo drive the HG combines the figures that matter: up to 70% energy saving compared with a fixed-speed system, 20 ms response time, 94% volumetric efficiency, pressure control within ±1 bar and noise around 70 dB (Hytek data).

Video: the Hytek HG internal gear pump in servo-drive applications (Hytek Power, 3:49).

HG and HGX: same pressures, more speed

The HGX is the new generation of the HG. Upgraded filler pieces, more precise bearings and a coated ring gear let it run faster at the same pressure ratings, so you can choose a smaller pump for the same flow. Hytek validated it with 600-hour endurance tests at 350 bar: 5,000 rpm on the HGX0-25 and 4,000 rpm on the HGX1-63, with a performance check every 200 hours.

Peak pressure and maximum speed: up to 10 seconds, at most 50% of the duty cycle. Minimum speed 600 rpm (frame 0) and 200 rpm (frames 1 and 2). Single and double pumps (HG00, HG10, HG11, HG21, HG22).

In the Hydraut offer the Hytek HG and HGX sit next to our own Hydraut HIGP series. See the HG-HGX datasheet or the internal gear pump guide.

Beyond internal gear pumps, Hytek designs complete hydraulic systems for mobile machinery and serves more than 2,000 customers. Its piston units have been verified with over 1 million start-stop cycles at 450 bar.

The units with a page on our site: HA2FM, HA2FE, HA6VM, HA2FO, HA10V(S)O, HP1VO, HP3VO, HP2VC, HA4VTG, HAA2FM and HG-HGX. For any other series, send us the Rexroth code and we confirm the Hytek equivalent.

Huade valves, Hytek pumps and motors

In the Hydraut offer each partner does what it does best: Huade for valves, Hytek for pumps and motors. Where the Hytek range stops, for example large open-circuit pumps such as A4VSO up to 500 cc or A7VO, Huade completes it. The Rexroth cross-reference shows the full picture.